Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 6285 more...
- ItemBB028034 - Northern Pacific Engineering Drawing: Shop Plan - Deck Plate Girder (DPG) Spans, Bridge 70 - Olequa Creek, South of Napavine, Washington, undated
- ItemBB028035 - Northern Pacific Engineering Drawing: Shop Plan - Erection/Anchor, Bridge 70 - Olequa Creek, South of Napavine, Washington, undated
- ItemBB028036 - Northern Pacific Engineering Drawing: Shop Plan - Miscellaneous Detail, Bridge 70 - Olequa Creek, South of Napavine, Washington, undated
- ItemBB028037 - Northern Pacific Engineering Drawing: Shop Plan - Shoe Casting, Bridge 70 - Olequa Creek, South of Napavine, Washington, undated
- ItemBB028038 - Northern Pacific Engineering Drawing: Shop Plan - Shoe Casting, Bridge 70 - Olequa Creek, South of Napavine, Washington, undated
- ItemBB028039 - Northern Pacific Engineering Drawing: Shop Plan - Roller, Bridge 70 - Olequa Creek, South of Napavine, Washington, undated
- ItemBB028040 - Northern Pacific Engineering Drawing: Shop Plan - Bolster, Bridge 70 - Olequa Creek, South of Napavine, Washington, undated
- ItemBB028041 - Northern Pacific Engineering Drawing: Shop Plan - Bolster, Bridge 70 - Olequa Creek, South of Napavine, Washington, undated
- ItemBB028042 - Northern Pacific Engineering Drawing: Shop Plan - Roller Bed, Bridge 70 - Olequa Creek, South of Napavine, Washington, undated
- 1434 more...